Chore: hoist example projects for discoverability (#2959)

* hoist example projects, remove oidc

* move over example projects from the separate repo

* Update ecommerce site to the latest version of dioxus

* update wifi scanner to 0.5

* drop the chatbot example; might be restored in a separate PR

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Co-authored-by: Evan Almloff <evanalmloff@gmail.com>

example-projects/file-explorer/.gitignore

@@ -0,0 +1,13 @@
+# Generated by Cargo
+# will have compiled files and executables
+/target/
+/dist/
+/static/
+/.dioxus/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk