docs: add hyperlink to GitPod

chore: surround values with double quotes in ".gitpod.yml"

.gitpod.yml

@@ -1,10 +1,10 @@
-image: gitpod/workspace-node:latest
+image: "gitpod/workspace-node:latest"
 
 tasks:
-  - init: yarn install
+  - init: "yarn install"
 
 vscode:
   extensions:
-    - esbenp.prettier-vscode
-    - JuanBlanco.solidity
-    - ritwickdey.LiveServer
+    - "esbenp.prettier-vscode"
+    - "JuanBlanco.solidity"
+    - "ritwickdey.LiveServer"

README.md

@@ -159,9 +159,9 @@ If you use VSCode, you can get Solidity syntax highlighting with the [solidity](
 
 ## Using GitPod
 
-Gitpod is an open-source developer platform for remote development.
+[GitPod](https://www.gitpod.io/) is an open-source developer platform for remote development.
 
-To view the coverage report generated by `yarn coverage` just click `Go Live` from the status bar to turn the server on/off.
+To view the coverage report generated by `yarn coverage`, just click `Go Live` from the status bar to turn the server on/off.
 
 ## License