Update docs

DEVELOPMENT.md

@@ -18,6 +18,14 @@ npm run build-external-deps
 
 3. We are ready to roll
 
+```
+# Build the extension
+npx vsce package
+
+# Run tests
+npm run test
+```
+
 ## How it works
 
 We are using VSCode [Custom Editor](https://code.visualstudio.com/api/extension-guides/custom-editors)
@@ -56,22 +64,22 @@ We use a simple RPC mechanism to communicate between VSCode and Speedscope.
 ```
 Speedscope -> VSCode
 {
-    clientEvent: 'ready'
+clientEvent: 'ready'
 }
 
 VSCode -> Speedscope
 {
-    serverCommand: 'openFile',
-    filename: 'simple.prof',
-    docbytes: Uint8Array(...)
+serverCommand: 'openFile',
+filename: 'simple.prof',
+docbytes: Uint8Array(...)
 }
 
 Speedscope -> VSCode
 {
-    clientEvent: 'opennedFile',
+clientEvent: 'opennedFile',
 }
 or
 {
-    clientEvent: 'error',
+clientEvent: 'error',
 }
 ```

README.md

@@ -35,6 +35,16 @@ This extension extends [speedscope](https://github.com/jlfwong/speedscope) to be
 - Only files can be opened at the moment.
   Allow directories as inputs to support opening [Instruments traces](https://help.apple.com/instruments/mac/10.0/).
 
+## Build from source
+
+```
+# Build deps
+npm install
+npm run build-external-deps
+# Build extension
+npx vsce package
+```
+
 ## Development
 
 See [DEVELOPMENT.md](DEVELOPMENT.md) for development and implementation details.