New docs are in mkdocs (#4178)

* start mkdocs

* simple docs for tensor

* more docs

* move those back

* more docs

* copy markdown extensions

* docs legacy

* docs building workflow

* fix showcase links

* only that?

* install tinygrad

* add docs to setup.py

* Delete examples/llm.c/data

docs/tensor.md

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+::: tinygrad.Tensor
+    options:
+        heading_level: 2
+        members: false
+        show_source: false
+
+## Properties
+
+::: tinygrad.Tensor.shape
+::: tinygrad.Tensor.dtype
+::: tinygrad.Tensor.device
+
+## tinygrad ops
+
+::: tinygrad.Tensor.corealize
+::: tinygrad.Tensor.realize
+::: tinygrad.Tensor.replace
+::: tinygrad.Tensor.assign
+::: tinygrad.Tensor.contiguous
+::: tinygrad.Tensor.contiguous_backward
+
+## Creation (basic)
+
+::: tinygrad.Tensor.empty
+::: tinygrad.Tensor.zeros
+::: tinygrad.Tensor.ones
+::: tinygrad.Tensor.full
+::: tinygrad.Tensor.arange
+::: tinygrad.Tensor.eye
+
+## Creation (random)
+
+::: tinygrad.Tensor.rand
+::: tinygrad.Tensor.randn
+::: tinygrad.Tensor.normal
+::: tinygrad.Tensor.uniform
+::: tinygrad.Tensor.scaled_uniform
+::: tinygrad.Tensor.glorot_uniform
+::: tinygrad.Tensor.kaiming_uniform
+::: tinygrad.Tensor.kaiming_normal
+
+## Movement (low level)
+
+::: tinygrad.Tensor.reshape
+::: tinygrad.Tensor.expand
+::: tinygrad.Tensor.permute
+::: tinygrad.Tensor.flip
+::: tinygrad.Tensor.shrink
+::: tinygrad.Tensor.pad
+
+## Movement (high level)
+
+::: tinygrad.Tensor.__getitem__
+::: tinygrad.Tensor.slice
+::: tinygrad.Tensor.gather
+::: tinygrad.Tensor.cat
+::: tinygrad.Tensor.stack
+::: tinygrad.Tensor.repeat
+::: tinygrad.Tensor.split
+::: tinygrad.Tensor.chunk
+::: tinygrad.Tensor.squeeze
+::: tinygrad.Tensor.unsqueeze
+::: tinygrad.Tensor.pad2d
+::: tinygrad.Tensor.transpose
+::: tinygrad.Tensor.flatten
+::: tinygrad.Tensor.unflatten
+
+## Reduce
+
+::: tinygrad.Tensor.sum
+::: tinygrad.Tensor.max
+::: tinygrad.Tensor.min
+::: tinygrad.Tensor.mean
+::: tinygrad.Tensor.var
+::: tinygrad.Tensor.std
+::: tinygrad.Tensor.softmax
+::: tinygrad.Tensor.log_softmax
+::: tinygrad.Tensor.argmax
+
+## Processing
+
+::: tinygrad.Tensor.conv2d
+::: tinygrad.Tensor.dot
+::: tinygrad.Tensor.matmul
+::: tinygrad.Tensor.einsum
+::: tinygrad.Tensor.cumsum
+::: tinygrad.Tensor.triu
+::: tinygrad.Tensor.tril
+::: tinygrad.Tensor.avg_pool2d
+::: tinygrad.Tensor.max_pool2d
+::: tinygrad.Tensor.conv_transpose2d
+
+## Unary Ops (math)
+
+::: tinygrad.Tensor.logical_not
+::: tinygrad.Tensor.neg
+::: tinygrad.Tensor.log
+::: tinygrad.Tensor.log2
+::: tinygrad.Tensor.exp
+::: tinygrad.Tensor.exp2
+::: tinygrad.Tensor.trunc
+::: tinygrad.Tensor.ceil
+::: tinygrad.Tensor.floor
+::: tinygrad.Tensor.round
+::: tinygrad.Tensor.lerp
+::: tinygrad.Tensor.square
+::: tinygrad.Tensor.clip
+::: tinygrad.Tensor.abs
+::: tinygrad.Tensor.sign
+::: tinygrad.Tensor.reciprocal
+
+## Unary Ops (activation)
+
+::: tinygrad.Tensor.relu
+::: tinygrad.Tensor.sigmoid
+::: tinygrad.Tensor.elu
+::: tinygrad.Tensor.celu
+::: tinygrad.Tensor.swish
+::: tinygrad.Tensor.silu
+::: tinygrad.Tensor.relu6
+::: tinygrad.Tensor.hardswish
+::: tinygrad.Tensor.tanh
+::: tinygrad.Tensor.sinh
+::: tinygrad.Tensor.cosh
+::: tinygrad.Tensor.atanh
+::: tinygrad.Tensor.asinh
+::: tinygrad.Tensor.acosh
+::: tinygrad.Tensor.hardtanh
+::: tinygrad.Tensor.gelu
+::: tinygrad.Tensor.quick_gelu
+::: tinygrad.Tensor.leakyrelu
+::: tinygrad.Tensor.mish
+::: tinygrad.Tensor.softplus
+::: tinygrad.Tensor.softsign
+
+## Elementwise Ops (broadcasted)
+
+::: tinygrad.Tensor.add
+::: tinygrad.Tensor.sub
+::: tinygrad.Tensor.mul
+::: tinygrad.Tensor.div
+::: tinygrad.Tensor.xor
+::: tinygrad.Tensor.pow
+::: tinygrad.Tensor.maximum
+::: tinygrad.Tensor.minimum
+::: tinygrad.Tensor.where
+
+## Neural Network Ops (functional)
+
+::: tinygrad.Tensor.linear
+::: tinygrad.Tensor.sequential
+::: tinygrad.Tensor.layernorm
+::: tinygrad.Tensor.batchnorm
+::: tinygrad.Tensor.dropout
+::: tinygrad.Tensor.one_hot
+::: tinygrad.Tensor.scaled_dot_product_attention
+::: tinygrad.Tensor.binary_crossentropy
+::: tinygrad.Tensor.binary_crossentropy_logits
+::: tinygrad.Tensor.sparse_categorical_crossentropy
+
+## Casting Ops
+
+::: tinygrad.Tensor.cast
+::: tinygrad.Tensor.bitcast
+::: tinygrad.Tensor.float
+::: tinygrad.Tensor.half
+