New Script: calibre-server (#960)

* init commit

* spaghetti

* Refactor calibre-server scripts: Update license link, correct variable tag case, and add newline in success message

* Update

* Update calibre-server.sh

* Update calibre-server-install.sh

* Update calibre-server.json

---------

Co-authored-by: Michel Roegl-Brunner <73236783+michelroegl-brunner@users.noreply.github.com>
Co-authored-by: CanbiZ <47820557+MickLesk@users.noreply.github.com>

json/calibre-server.json

@@ -0,0 +1,43 @@
+{
+    "name": "Calibre-Server",
+    "slug": "calibre-server",
+    "categories": [
+      12
+    ],
+    "date_created": "2025-01-09",
+    "type": "ct",
+    "updateable": true,
+    "privileged": false,
+    "interface_port": 8180,
+    "documentation": null,
+    "website": "https://calibre-ebook.com",
+    "logo": "https://calibre-ebook.com/resources/icons/calibre_icon.png",
+    "description": "Calibre content server is used to manage and serve eBooks over the network.",
+    "install_methods": [
+      {
+        "type": "default",
+        "script": "ct/calibre-server.sh",
+        "resources": {
+          "cpu": 2,
+          "ram": 1024,
+          "hdd": 4,
+          "os": "debian",
+          "version": "12"
+        }
+      }
+    ],
+    "default_credentials": {
+      "username": null,
+      "password": null
+    },
+    "notes": [
+      {
+        "text": "By default, the Calibre Server runs on port 8180 with no username/password.",
+        "type": "info"
+      },
+      {
+        "text": "Use 'calibredb add' from the calibre user or run 'xvfb-run calibredb add ...' if you need to add books while the server is running.",
+        "type": "info"
+      }
+    ]
+  }