Refine osdk doc

docs/src/osdk/guide/create-project.md

@@ -39,11 +39,11 @@ contains the following contents:
 
 ```text
 myos/
-  src/
-    lib.rs
-  Cargo.toml
-  OSDK.toml
-  rust-toolchain.toml
+├── Cargo.toml
+├── OSDK.toml
+├── rust-toolchain.toml
+└── src/
+    └── lib.rs
 ```
 
 ### `src/lib.rs`

docs/src/osdk/guide/work-in-workspace.md

@@ -36,17 +36,17 @@ The generated directory structure will be as follows:
 
 ```text
 myworkspace/
-  Cargo.toml
-  OSDK.toml
-  rust-toolchain.toml
-  myos/
-    src/
-      lib.rs
-    Cargo.toml
-  mymodule/
-    src/    
-      lib.rs
-    Cargo.toml
+  ├── Cargo.toml
+  ├── OSDK.toml
+  ├── rust-toolchain.toml
+  ├── myos/
+  │   ├── Cargo.toml
+  │   └── src/
+  │       └── lib.rs
+  └── mymodule/
+      ├── Cargo.toml
+      └── src/
+          └── lib.rs
 ```
 
 In addition to the two projects,

docs/src/osdk/reference/commands/build.md

@@ -60,7 +60,7 @@ Arguments for running QEMU
 ## Examples
 
 - Build a project with `./initramfs.cpio.gz`
-as the initramfs and `multiboot2` as the boot portocol:
+as the initramfs and `multiboot2` as the boot protocol:
 
 ```bash
 cargo osdk build --initramfs="./initramfs.cpio.gz" --boot.protocol="multiboot2"

docs/src/osdk/reference/manifest.md

@@ -17,7 +17,7 @@ and one of the crate
 (in the same directory as the crate's `Cargo.toml`).
 So which manifest should be used?
 
-The rules are
+The rules are:
 
 - If running commands in the workspace root directory,
 the `OSDK.toml` of the workspace will be used