Restore nightly yt-dlp build instructions in README

Reintroduce instructions for using a nightly yt-dlp build, including pipx inject command and upgrade notes.

Author: vxbinaca

README.md

@@ -41,15 +41,7 @@ Then run:
 ```
    pipx install "yt-dlp[default,curl-cffi]" internetarchive tubeup
 ```
-To use a nightly yt-dlp build, inject it into your yt-dlp virtual environment:
-
-```
-pipx inject yt-dlp "yt-dlp[default,curl-cffi] @ https://github.com/yt-dlp/yt-dlp-nightly-builds/releases/download/[NIGHTLY TAG]/yt-dlp.tar.gz" --force
-```
 
-Where `[NIGHTLY TAG]` would for example be `2025.10.11.232807` in [this yt-dlp release](https://github.com/yt-dlp/yt-dlp-nightly-builds/releases/tag/2025.10.11.232807).
-
-Upgrades will take it to latest nightly, which yt-dlp releases with a stable tag (see notes about upgrading below).
 
 3. If you don't already have an Internet Archive account, [register for one](https://archive.org/account/login.createaccount.php) to give the script upload privileges.
 
@@ -80,6 +72,20 @@ Perodically *before* running, upgrade `tubeup` and its dependencies by running:
    pipx upgrade-all
 ```
 
+To upgrade Deno run:
+
+```
+deno upgrade
+```
+To use a nightly yt-dlp build, inject it into your yt-dlp virtual environment:
+
+```
+pipx inject yt-dlp "yt-dlp[default,curl-cffi] @ https://github.com/yt-dlp/yt-dlp-nightly-builds/releases/download/[NIGHTLY TAG]/yt-dlp.tar.gz" --force
+```
+
+Where `[NIGHTLY TAG]` would for example be `2025.10.11.232807` in [this yt-dlp release](https://github.com/yt-dlp/yt-dlp-nightly-builds/releases/tag/2025.10.11.232807).
+
+Upgrades will take it to latest nightly, which yt-dlp releases with a stable tag (see notes about upgrading below).
 
 ## Docker