Enables the new `@` block syntax by default by removing the `enabledBlockTypes` flags. There are still some internal flags that allow special use cases to opt out of the block syntax, like during XML parsing and when compiling older libraries (see #51979).
PR Close#51994
* Updates two of the md files to prioritize standalone components/architecture
* Updates three examples referenced in the guides
* Updates the svg diagram to reference the EnvironmentInjector instead of the ModuleInjector
PR Close#51572
The blossom emoji is referred to as "yellow flower" in the docs, but it's not yellow on all platforms. Since "flower" or "blossom" is too generic, the "tulip" emoji is used instead.
Fixes#50347
PR Close#50349
