Add admin page for instruction sets by processor.

cicm_web/Areas/Admin/Views/InstructionSetExtensionsByProcessor/Create.cshtml

@@ -0,0 +1,46 @@
+@model Cicm.Database.Models.InstructionSetExtensionsByProcessor
+
+@{
+    ViewData["Title"] = "Create";
+}
+
+<h1>Create</h1>
+
+<h4>Instruction set extensions by processor</h4>
+<hr />
+<div class="row">
+    <div class="col-md-4">
+        <form asp-action="Create">
+            <div asp-validation-summary="ModelOnly"
+                 class="text-danger">
+            </div>
+            <div class="form-group">
+                <label asp-for="Processor"
+                       class="control-label">
+                </label>
+                <select asp-for="ProcessorId"
+                        class="form-control"
+                        asp-items="ViewBag.ProcessorId">
+                </select>
+            </div>
+            <div class="form-group">
+                <label asp-for="Extension"
+                       class="control-label">
+                </label>
+                <select asp-for="ExtensionId"
+                        class="form-control"
+                        asp-items="ViewBag.ExtensionId">
+                </select>
+            </div>
+            <div class="form-group">
+                <input class="btn btn-primary"
+                       type="submit"
+                       value="Create" />
+                <a asp-action="Index"
+                   class="btn btn-secondary">
+                    Back to List
+                </a>
+            </div>
+        </form>
+    </div>
+</div>