rename code reference in assets; create blank issue template; move demo notebook

Author: O957

.github/ISSUE_TEMPLATE/blank.md

@@ -0,0 +1,7 @@
+---
+name: Blank Issue Template
+about: A blank issue template, for minimal overhead in issue creation.
+title: ""
+labels: ["general issue"]
+assignees: ""
+---

.github/ISSUE_TEMPLATE/development_task.md

@@ -1,9 +1,9 @@
 ---
-name: Multisignal Renewal Dev Task Template
-about: A template for writing specs following Multisignal Renewal project standards
-title: ''
+name: PyRenew Developer Task Template
+about: A template for writing specifications following Pyrenew project standards.
+title: ""
 labels: ["development task"]
-assignees: ''
+assignees: ""
 ---
 
 This template should be used as an outline. It may not be necessary to fill out every section. Delete this block of text and fill in anything in brackets.

assets/code_ref/fit.R renamed to assets/reference/fit.R

@@ -10,10 +10,12 @@
     "\n",
     "1. Background (`cfaepim`) \n",
     "   * Show `cfa-forecast-renewal-epidemia` & `cfa-flu-eval` \n",
-    "   * Show website,`cfaepim` forecasts, Epidemia, model mathematics\n",
+    "   * Show website,`cfaepim` forecasts, Epidemia, model mathematics \n",
     "2. The current re-implementation, i.e. `pyrenew-flu-light`.\n",
     "3. Reflections on using PyRenew for development.\n",
-    "4. Feel free to provide feedback, there is much needed."
+    "4. Feel free to provide feedback, there is much needed.\n",
+    "\n",
+    "The __goal__ was to use the re-implementation of `cfaepim` to find issues with PyRenew."
    ]
   },
   {