Add mise toml initial env var setup

lab-3/LAB-REPORT.md

@@ -42,6 +42,7 @@
     * MFA did not work out of the box after setting it in the s3 bucket policy. 
       The ways I found you can configure MFA:
       * [stackoverflow](https://stackoverflow.com/questions/34795780/how-to-use-mfa-with-aws-cli)
+      * [official guide](https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_use-resources.html)
       * via cli roles
       * configuration via ~/.aws/credentials
       * 1Password CLI with AWS Plugin
@@ -53,8 +54,6 @@
         * I've seen a lot more recommendations (TBH it's more like 2 vs 0)
           for 1password for password credential setup. Wonder why?
       * other apps that handle this
-        * I did not look into this because I didn't want to install
-          yet another specialized CLI that I didn't understand
   - [ ] VPC
 
 - [ ] **Host a static site**
@@ -100,14 +99,9 @@ graph LR
   IAMPolicy -- attaches to --> IAMIdentity
   ExplainIAMIdentity[users, groups of users, roles, AWS resources]:::aside
   ExplainIAMIdentity -.-> IAMIdentity
-  
-  classDef aside fill:#fffbe6,stroke:#bbb,stroke-dasharray: 5 5,stroke-width:2px;
+classDef aside stroke-dasharray: 5 5, stroke-width:2px;
 ```
 
-## Problems encountered
-
-    more carefully. Note to self: always double check.
-
 ## End lab
 - [ ] On June 20, 2025, do the following:
   - [ ] Clean up