docs: capitalize ABP

Co-authored-by: Mehmet Erim <34455572+mehmet-erim@users.noreply.github.com>

docs/en/UI/Angular/Environment.md

@@ -1,6 +1,6 @@
 # Environment
 
-Every application needs some ** environment ** variables. In Angular world, this is usually managed by `environment.ts`, `environment.prod.ts` and so on. It is the same for Abp as well. 
+Every application needs some ** environment ** variables. In Angular world, this is usually managed by `environment.ts`, `environment.prod.ts` and so on. It is the same for ABP as well. 
 
 Current `Environment` configuration holds sub config classes as follows:
 
@@ -102,4 +102,4 @@ export interface RemoteEnv {
   * `overwrite`: Remote `environment` will be used and local environment will be ignored.
   * `customMergeFn`: You can also provide your own merge function as shown in the example. It will take two parameters, `localEnv: Partial<Config.Environment>` and `remoteEnv` and it needs to return a `Config.Environment` object.
 * `method`: HTTP method to be used when retrieving environment config. Default: `GET`
-* `headers`: If extra headers are needed for the request, it can be set through this field.
+* `headers`: If extra headers are needed for the request, it can be set through this field.