DOCUMENTATION: Better npm run doc, plus minor folder reorganization (#693)

src/Documentation/doc/basic/companies.md

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+# Companies
+
+When exploring the [World](world.md), you can visit various companies.
+At these companies, you can apply for jobs.
+
+Working a job lets you earn money, experience, and [Reputation](reputation.md) with that company.
+
+While working for a company, you can click `Do something else simultaneously` to be able to do things while you continue to work in the background.
+There is a 20% penalty to the related gains.
+Clicking the `Focus` button under the overview will return you to the current work.
+
+If you've been hired to do a job you can click that `Apply for X Job` button again to get a promotion if you meet the requirements.
+You can see the requirements by hovering your cursor over the button.
+Higher positions give increased rewards.