fix typos, punctuation, etc in docs (hasura#635)

Author: grvsachdeva

CONTRIBUTING.md

@@ -22,7 +22,7 @@ consisting of 3 components. Each have their own contributing guides:
 3. [Console (JavaScript)](console/README.md#contributing-to-hasura-console)
 
 All of the three components have a single version, denoted by either the git
-tag, or a combination of branch name and git commit SHA.
+tag or a combination of branch name and git commit SHA.
 
 For all contributions, a CLA (Contributor License Agreement) needs to be signed [here](https://cla-assistant.io/hasura/graphql-engine) before (or after) the pull request has been submitted. A bot will prompt the same as a pull request comment.
 
@@ -65,11 +65,11 @@ before-mentioned sections).
   #<issue-no>` in the commit message, at the end.
   For example: `resolve answers to everything (fix #42)` or `resolve answers to everything, fix #42`
 
-- Rebase master with your branch before submitting pull request.
+- Rebase master with your branch before submitting a pull request.
 
 ## Commit messages
 
- - The first line should be a summary of the changes - not execeeding 50
+ - The first line should be a summary of the changes - not exceeding 50
    characters. Followed by an optional body which has more details about the
    changes. (https://github.com/erlang/otp/wiki/writing-good-commit-messages)
 

README.md

@@ -111,7 +111,7 @@ processing - [read more](event-triggers.md).
 
 ## Demos
 
-Checkout all the example applications in the
+Check out all the example applications in the
 [community/examples](community/examples) directory.
 
 ### Realtime applications

cli/docs/hasura_console.md

@@ -44,4 +44,4 @@ hasura console [flags]
 
 * [hasura](hasura.md)	 - Hasura GraphQL Engine command line tool
 
-###### Auto generated by spf13/cobra on 28-Sep-2018
+###### Auto generated by spf13/cobra on 28-Sep-2018

console/README.md

@@ -34,11 +34,11 @@ cd console
 npm install
 ```
 
-Hasura console can be developed in two modes (`server` or `cli` mode). Both modes requires a running instance of GraphQL Enigne. The easiest way to get Hasura GraphQL engine instance is by Heroku. You can get it by following the steps given in [this](https://docs.hasura.io/1.0/graphql/manual/getting-started/heroku-simple.html) link. Other methods to install Hasura GraphQL engine is documented [here](https://docs.hasura.io/1.0/graphql/manual/getting-started/index.html).
+Hasura console can be developed in two modes (`server` or `cli` mode). Both modes require a running instance of GraphQL Enigne. The easiest way to get Hasura GraphQL engine instance is by Heroku. You can get it by following the steps given in [this](https://docs.hasura.io/1.0/graphql/manual/getting-started/heroku-simple.html) link. Other methods to install Hasura GraphQL engine is documented [here](https://docs.hasura.io/1.0/graphql/manual/getting-started/index.html).
 
 ### Development with Hasura GraphQL Engine (`server` mode)
 
-Hasura GraphQL engine should be running to develop console in this mode. If you have set it up on heroku, your url will look like `<app-name>.herokuapp.com`, if it's on you local machine, it's probably `http://localhost:8080`.
+Hasura GraphQL engine should be running to develop console in this mode. If you have set it up on heroku, your url will look like `<app-name>.herokuapp.com`, if it's on your local machine, it's probably `http://localhost:8080`.
 
 [Dotenv](https://github.com/motdotla/dotenv) is used for setting environment variables for development. Create a `.env` file in the root directory for console (wherever package.json is). Sample `.env` file will look like below
 
@@ -119,7 +119,7 @@ Visit [http://localhost:3000](http://localhost:3000) to confirm the setup.
 
 ![Testing Development Server](../assets/console-readme-assets/test-dev-setup.jpg)
 
-### Make changes to code
+### Make changes to the code
 
 Make changes to the code and the console will reload automatically to reflect the new changes. Keep iterating.
 When adding a new feature, it is recommended to add corresponding tests too.

event-triggers.md

@@ -93,7 +93,7 @@ Transform and load data into external data-stores. Check out this demo and tutor
 
 ### Building reactive UX for your async backend with realtime GraphQL
 
-Propagate event driven and asynchronous information to UI clients easily with GraphQL subscriptions & live-queries.
+Propagate event-driven and asynchronous information to UI clients easily with GraphQL subscriptions & live-queries.
 
 ![Reactive apps architecture](assets/reactive-apps-arch.png)
 

server/CONTRIBUTING.md

@@ -6,7 +6,7 @@ own machine, and how to contribute.
 ## Pre-requisites
 
 - [stack](https://docs.haskellstack.org/en/stable/README/#how-to-install)
-- A postgres server (Recommended: Use docker to run a local postgres instance)
+- A Postgres server (Recommended: Use docker to run a local postgres instance)
 - GNU Make (optional)
 
 ## Development workflow
@@ -26,7 +26,7 @@ own machine, and how to contribute.
 
 ### Work
 - Work on the feature/fix
-- Add testcases if relevant
+- Add test cases if relevant
 
 ### Test
 - Run tests: `stack test --ta --database-url=<database-url>`