feat: Add Mechanical Pipe input adapter

these were so easy wtf

src/telem/lib/input/mekanism/MechanicalPipeInputAdapter.lua

@@ -0,0 +1,67 @@
+local o = require 'telem.lib.ObjectModel'
+local t = require 'telem.lib.util'
+
+local InputAdapter      = require 'telem.lib.InputAdapter'
+local Metric            = require 'telem.lib.Metric'
+local MetricCollection  = require 'telem.lib.MetricCollection'
+
+local MechanicalPipeInputAdapter = o.class(InputAdapter)
+MechanicalPipeInputAdapter.type = 'MechanicalPipeInputAdapter'
+
+function MechanicalPipeInputAdapter:constructor (peripheralName, categories)
+    self:super('constructor')
+
+    -- TODO this will be a configurable feature later
+    self.prefix = 'mekmechpipe:'
+
+    -- TODO make these constants
+    local allCategories = {
+        'basic',
+    }
+
+    if not categories then
+        self.categories = { 'basic' }
+    elseif categories == '*' then
+        self.categories = allCategories
+    else
+        self.categories = categories
+    end
+
+    -- boot components
+    self:setBoot(function ()
+        self.components = {}
+
+        self:addComponentByPeripheralID(peripheralName)
+    end)()
+end
+
+function MechanicalPipeInputAdapter:read ()
+    self:boot()
+
+    local source, tube = next(self.components)
+
+    local metrics = MetricCollection()
+
+    local loaded = {}
+
+    for _,v in ipairs(self.categories) do
+        -- skip, already loaded
+        if loaded[v] then
+            -- do nothing
+
+        -- Literally all we have lmao
+        elseif v == 'basic' then
+            metrics:insert(Metric{ name = self.prefix .. 'buffer', value = tube.getBuffer() / 1000, unit = "B", source = source })
+            metrics:insert(Metric{ name = self.prefix .. 'capacity', value = tube.getCapacity() / 1000, unit = "B", source = source }) -- might error might not, no clue!
+            metrics:insert(Metric{ name = self.prefix .. 'needed', value = tube.getNeeded() / 1000, unit = "B", source = source })
+            metrics:insert(Metric{ name = self.prefix .. 'filled_percentage', value = tube.getFilledPercentage(), unit = nil, source = source })
+        end
+
+        loaded[v] = true
+    end
+
+    return metrics
+end
+
+return MechanicalPipeInputAdapter
+