chore: update READMEs

README.md

@@ -2,6 +2,14 @@
 
 Monorepo for building-block type utilities that don't have dependencies on any other `@psu` libraries.
 
+- [Angular](https://git.psu.edu/ais-swe/ux/utils/tree/develop/libs/utils/angular)
+  - Before Unload directive
+  - Caps Lock directive
+  - Coalescing Component Factory Resolver
+  - ngLet directive
+  - Safe pipe
+  - Value By Key pipe
+  - Yes/No pipe
 - [Browser](https://git.psu.edu/ais-swe/ux/utils/tree/develop/libs/utils/browser)
   - Cache Interceptor
   - Autofocus Directive

libs/utils/angular/README.md

-# utils-angular
+# Angular Utils
 
-This library was generated with [Nx](https://nx.dev).
+## before-unload directive
 
-## Running unit tests
+## caps-lock directive
 
-Run `nx test utils-angular` to execute the unit tests.
+## coalescing-component-factory-resolver
+
+## ng-let directive
+
+## safe pipe
+
+## value-by-key pipe
+
+Pipe that returns an object's value by key
+
+### Usage
+
+```js
+let obj = {
+  a: { name: 'one' },
+  b: { name: 'two' },
+  c: { name: 'three' }
+};
+```
+
+```html
+<!-- Will output "one" -->
+<span>{{ (obj | valueByKey : 'a')?.name }}</span>
+```
+
+## yes-no pipe