docs: end sentences with a period in docs (#7730)

docs/getting_started/debugging_your_code.md

@@ -141,5 +141,5 @@ Deno process.
 Devtools support is still immature. There is some functionality that is known to
 be missing or buggy:
 
-- autocomplete in Devtools' console causes the Deno process to exit
-- profiling and memory dumps might not work correctly
+- autocomplete in Devtools' console causes the Deno process to exit.
+- profiling and memory dumps might not work correctly.

docs/introduction.md

@@ -36,7 +36,7 @@ have been historically written with bash or python.
 ## Goals
 
 - Only ship a single executable (`deno`).
-- Provide Secure Defaults
+- Provide Secure Defaults.
   - Unless specifically allowed, scripts can't access files, the environment, or
     the network.
 - Browser compatible: The subset of Deno programs which are written completely
@@ -45,12 +45,12 @@ have been historically written with bash or python.
 - Provide built-in tooling like unit testing, code formatting, and linting to
   improve developer experience.
 - Does not leak V8 concepts into user land.
-- Be able to serve HTTP efficiently
+- Be able to serve HTTP efficiently.
 
 ## Comparison to Node.js
 
-- Deno does not use `npm`
-  - It uses modules referenced as URLs or file paths
+- Deno does not use `npm`.
+  - It uses modules referenced as URLs or file paths.
 - Deno does not use `package.json` in its module resolution algorithm.
 - All async actions in Deno return a promise. Thus Deno provides different APIs
   than Node.

docs/linking_to_external_code/import_maps.md

@@ -9,10 +9,10 @@ You can use import maps with the `--importmap=<FILE>` CLI flag.
 
 Current limitations:
 
-- single import map
-- no fallback URLs
-- Deno does not support `std:` namespace
-- supports only `file:`, `http:` and `https:` schemes
+- single import map.
+- no fallback URLs.
+- Deno does not support `std:` namespace.
+- supports only `file:`, `http:` and `https:` schemes.
 
 Example:
 

docs/linking_to_external_code/reloading_modules.md

@@ -17,14 +17,14 @@ deno cache --reload my_module.ts
 Sometimes we want to upgrade only some modules. You can control it by passing an
 argument to a `--reload` flag.
 
-To reload all \$STD_VERSION standard modules
+To reload all \$STD_VERSION standard modules:
 
 ```ts
 deno cache --reload=https://deno.land/std@$STD_VERSION my_module.ts
 ```
 
 To reload specific modules (in this example - colors and file system copy) use a
-comma to separate URLs
+comma to separate URLs.
 
 ```ts
 deno cache --reload=https://deno.land/std@$STD_VERSION/fs/copy.ts,https://deno.land/std@$STD_VERSION/fmt/colors.ts my_module.ts