Stop refereing to .NET Core and refer to it correctly on the name history

src/pages/Download.vue

@@ -80,7 +80,7 @@
                       <v-col>
                         <p class="text-h5">Building methods</p>
                         <v-btn dark class="mx-2" color="ryu_blue" to="/build">
-                          <v-icon class="ml-n1 mr-2">fas fa-code</v-icon>.NET Core
+                          <v-icon class="ml-n1 mr-2">fas fa-code</v-icon>.NET
                         </v-btn>
                       </v-col>
                     </v-row>

src/pages/Index.vue

@@ -143,7 +143,7 @@
                     In other words, a name for a Mythical (Sea-God) Dragon.
                     More information can be found here.
                     The name stems from Ryu (as already explained), then RyuJIT;
-                    which is the codename for the JIT compiler for Net Core.
+                    which is the codename for the JIT compiler for .NET Core.
                     The NX part of the name is from the Codename of the Switch itself.
                   </v-card-text>
                 </v-card>