Set default crop values

These values were empirically determined to be good from previous thumbnail templates.

thrimbletrimmer/thumbnail_manager.html

@@ -59,6 +59,7 @@
 								placeholder="X"
 								min="0"
 								step="1"
+								value="182"
 							/>
 							<input
 								type="number"
@@ -68,6 +69,7 @@
 								placeholder="Y"
 								min="0"
 								step="1"
+								value="0"
 							/>
 							to
 							<input
@@ -78,6 +80,7 @@
 								placeholder="X"
 								min="0"
 								step="1"
+								value="1738"
 							/>
 							<input
 								type="number"
@@ -87,6 +90,7 @@
 								placeholder="Y"
 								min="0"
 								step="1"
+								value="824"
 							/>
 						</span>
 					</div>
@@ -101,6 +105,7 @@
 								placeholder="X"
 								min="0"
 								step="1"
+								value="45"
 							/>
 							<input
 								type="number"
@@ -110,6 +115,7 @@
 								placeholder="Y"
 								min="0"
 								step="1"
+								value="45"
 							/>
 							to
 							<input
@@ -120,6 +126,7 @@
 								placeholder="X"
 								min="0"
 								step="1"
+								value="1235"
 							/>
 							<input
 								type="number"
@@ -129,6 +136,7 @@
 								placeholder="Y"
 								min="0"
 								step="1"
+								value="675"
 							/>
 						</span>
 					</div>