Add cost estimate column (#91)

* Add cost estimate column

To give interested admin an idea of what expected costs might be.

* Add estimate for mastodon.technology 

based on blog post

* Fix missing header dashes

Running-Mastodon/Resources-needed.md

@@ -3,13 +3,13 @@ Here are some information about what you'll need for running your instance, both
 
 ### With Docker :
 
-| CPU % / info | RAM use / total | Average traffic in | out | Disk Usage | Users | OS | Sidekiq threads | puma params | Hosting provider | URL |
-|-----|-----|-----------------------|-----|-------|----|--------|---------|----------------|------------------|-----|
-| 25% / 2 CPUs 1.8GHz | 2.2 GB / 4 GB | | | | 2900 | Ubuntu 16.04 | 20 threads, DB_POOL=20 | WEB_CONCURRENCY=4, MAX_THREADS=8 | [Digital Ocean](https://www.digitalocean.com) | [mastodon.technology](https://mastodon.technllogy)
+| CPU % / info | RAM use / total | Median traffic in | out | Disk Usage | Users | OS | Sidekiq threads | puma params | Hosting provider | URL | Cost Estimate |
+|-----|-----|-----------------------|-----|--------|-------|----|-----------------|----------------|------------------|-----|------|
+| 25% / 2 CPUs 1.8GHz | 2.2 GB / 4 GB | | | | 2900 | Ubuntu 16.04 | 20 threads, DB_POOL=20 | WEB_CONCURRENCY=4, MAX_THREADS=8 | [Digital Ocean](https://www.digitalocean.com) | [mastodon.technology](https://mastodon.technllogy) | [$50–60](https://ashfurrow.com/blog/moving-mastodon-to-digital-ocean/) |
 
 ### Without Docker :
 
-| CPU % / info | RAM  use / total | Average traffic in | out | Disk Usage | Users | OS | Sidekiq params | puma params | Server model / Provider | URL |
-|-----|-----|-----------------------|-----|-------|----|--------|---------|----------------|------------------|-----|
-| 17.3% / 2x2.4Ghz | 1.8 GB / 4 GB | 260kbps | 858kbps | 24G | 785 | Debian | 35 threads, DB_POOL=35 | WEB_CONCURRENCY=5, MAX_THREADS=15 | [vultr](https://Vultr.com) | [social.wxcafe.net](https://social.wxcafe.net) |
-| 30% / 4x3.40GHz | 1.8 to 2.2GB / 4GB | 100Kbps | 1Mbps | | 1800 | Debian | 5 threads, DB_POOL=10 | MAX_THREADS=5, WEB_CONCURRENCY=4 | [Dedibox LT 2014v2](https://documentation.online.net/fr/dedicated-server/offers/limited/server-dedibox-limited-edition-13816) | [oc.todon.fr](oc.todon.fr) |
+| CPU % / info | RAM  use / total | Median traffic in | out | Disk Usage | Users | OS | Sidekiq params | puma params | Server model / Provider | URL | Cost Estimate |
+|-----|-----|-----------------------|-----|--------|-------|----|-----------------|----------------|------------------|-----|------|
+| 17.3% / 2x2.4Ghz | 1.8 GB / 4 GB | 260kbps | 858kbps | 24 G | 785 | Debian | 35 threads, DB_POOL=35 | WEB_CONCURRENCY=5, MAX_THREADS=15 | [vultr](https://Vultr.com) | [social.wxcafe.net](https://social.wxcafe.net) | | 
+| 30% / 4x3.40GHz | 1.8 to 2.2GB / 4GB | 100Kbps | 1Mbps | | 1800 | Debian | 5 threads, DB_POOL=10 | MAX_THREADS=5, WEB_CONCURRENCY=4 | [Dedibox LT 2014v2](https://documentation.online.net/fr/dedicated-server/offers/limited/server-dedibox-limited-edition-13816) | [oc.todon.fr](oc.todon.fr) | |