📝 Add readme

README.md

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+# Oh the things you'll do
+
+## Model
+
+The model will include Projects and Tasks. A Project owns a collection of Tasks (but Tasks can exist outside of projects too),
+and a Project has a title. A Task has a title, an optional description, and an integer priority level between 0 and 3, zero being critical.
+
+```mermaid
+classDiagram
+    class Project {
+        +String title
+        +List<Task> tasks
+    }
+    class Task {
+        +String title
+        +String description
+        +int priority
+    }
+
+    Project --> "*" Task
+
+```
+
+## View
+
+There will be a collection of projects on the home page. Clicking on a project will navigate the user to the project detail page,
+where they will find the project title on top and a collection of tasks. Clicking on a task will navigate the user to the task detail page,
+where they will find the task title, the task description if any, and the task priority represented with a label of a certain color next to
+the words 'priority X' where X is the priority level.
+
+```mermaid
+graph TB
+    A[Home Page] --> B[Project Detail Page]
+    B --> C[Task Detail Page]
+```
+