Update README.md

Author: Arrowar

.github/.site/img/crunchyroll_etp_rt.png

@@ -0,0 +1,48 @@
+# How to Extract Login Keys
+
+Follow the instructions below to obtain the required keys for each streaming service and add them to your `config.json`.
+
+<Tabs>
+<TabItem value="mediasetinfinity" label="Mediaset Infinity">
+
+## Mediaset Infinity: Get `beToken`
+
+1. **Log in** to [Mediaset Infinity](https://mediasetinfinity.mediaset.it).
+
+2. **Open Developer Tools** (press <kbd>F12</kbd>).
+
+3. Go to the **Application** tab (or **Storage** in some browsers).
+
+4. Find `beToken` in:
+   - **Cookies** for the site, or
+   - **Session Storage** under `accountData`.
+
+5. **Copy** the value of `beToken` and paste it into your `config.json`.
+
+![beToken location](./img/mediasetinfinity_beToken.png)
+
+</TabItem>
+<TabItem value="crunchyroll" label="Crunchyroll">
+
+## Crunchyroll: Get `etp_rt` and `x_cr_tab_id`
+
+1. **Log in** to [Crunchyroll](https://www.crunchyroll.com/).
+
+2. **Open Developer Tools** (<kbd>F12</kbd>).
+
+3. **Get `etp_rt`:**
+   - Go to the **Application** tab.
+   - Find the `etp_rt` cookie under **Cookies** for the site.
+   - **Copy** its value for `config.json`.
+   - ![etp_rt location](./img/crunchyroll_etp_rt.png)
+   
+4. **Get `x_cr_tab_id`:**
+   - Start playing any video.
+   - Go to the **Network** tab.
+   - Filter by **XHR** requests.
+   - Select a request and find the `x-cr-tab-id` header.
+   - **Copy** its value for `config.json`.
+   - ![x_cr_tab_id location](./img/crunchyroll_x_cr_tab_id.png)
+
+</TabItem>
+</Tabs>

.github/.site/img/crunchyroll_x_cr_tab_id.png

@@ -108,7 +108,7 @@ jobs:
       - name: Build executable with PyInstaller
         shell: bash
         run: |
-          pyinstaller --onefile --hidden-import=pycryptodomex --hidden-import=ua_generator \
+          pyinstaller --onefile --strip --optimize 2 --hidden-import=pycryptodomex --hidden-import=ua_generator \
             --hidden-import=qbittorrentapi --hidden-import=qbittorrent \
             --hidden-import=bs4 --hidden-import=httpx --hidden-import=rich --hidden-import=tqdm \
             --hidden-import=m3u8 --hidden-import=psutil --hidden-import=unidecode \