Added Mac Emulation Runners

Added:
* SheepShaver 
* BasiliskII
* Mini vMac

share/lutris/json/basiliskii.json

@@ -0,0 +1,26 @@
+{
+    "human_name": "Basilisk II",
+    "description": " Basilisk II is an Open Source 68k Macintosh emulator",
+    "platforms": ["Macintosh"],
+    "runnable_alone": "True",
+    "runner_executable": "basiliskii/BasiliskII-x86_64.AppImage",
+    "download_url": "https://github.com/Korkman/macemu-appimage-builder/releases/download/continuous/BasiliskII-x86_64.AppImage",
+    "game_options": [
+        {
+            "option": "main_file",
+            "type": "file",
+            "label": "Basilisk II",
+            "help": "Basilisk II pref/config file"
+        }
+    ],
+    "runner_options": [
+
+       {
+            "option": "config",
+            "type": "bool",
+            "label": "config",
+            "default": true,
+            "argument": "--config"
+        }
+    ]
+}

share/lutris/json/minivmac.json

@@ -0,0 +1,15 @@
+{
+    "human_name": "Mini vMac",
+    "description": "Mini vMac is an open source emulator of 68000 based Macintosh computers.",
+    "platforms": ["Macintosh"],
+    "runner_executable": "minivmac/MinivMac",
+    "download_url": "https://www.gryphel.com/d/minivmac/minivmac-37.03/minivmac-37.03-lx64.bin.tgz",
+    "game_options": [
+        {
+            "option": "main_file",
+            "type": "file",
+            "label": "Mac HDD",
+            "help": "Macintosh Hard Disk/Floppy Disk"
+        }
+    ]
+}

share/lutris/json/sheepshaver.json

@@ -0,0 +1,26 @@
+{
+    "human_name": "SheepShaver",
+    "description": "SheepShaver emulates a PowerMacintosh computer",
+    "platforms": ["Macintosh"],
+    "runnable_alone": "True",
+    "runner_executable": "sheepshaver/SheepShaver-x86_64.AppImage",
+    "download_url": "https://github.com/Korkman/macemu-appimage-builder/releases/download/continuous/SheepShaver-x86_64.AppImage",
+    "game_options": [
+        {
+            "option": "main_file",
+            "type": "file",
+            "label": "SheepShaver",
+            "help": "SheepShaver pref/config file"
+        }
+    ],
+    "runner_options": [
+
+       {
+            "option": "config",
+            "type": "bool",
+            "label": "config",
+            "default": true,
+            "argument": "--config"
+        }
+    ]
+}